void process_choice(int choice){
BufferManager *bu = BufferManager::getBufferManager();
float hr = -1;
switch(choice){
case 1:
initCache(bu);
break;
case 2:
createDB(bu);
break;
case 3:
openDB(bu);
break;
case 4:
readDB(bu);
break;
case 5:
writeDB(bu);
break;
case 6:
expandDB(bu);
break;
case 7:
commitDB(bu);
break;
case 8:
closeDB(bu);
break;
case 9:
commitCache(bu);
break;
case 10:
releaseCache(bu);
break;
case 11:
dropDB(bu);
break;
case 12:
cout<<endl<<"Enter Cache id: ";
cin>>choice;
(*bu).printHex(choice, (*bu).getPageSize());
break;
case 13:
(*bu).printCacheHeaders();
break;
case 14:
hr = (*bu).getHitRate();
if(hr!=-1)
cout<<endl<<"\tHit rate is: "<<hr*100.0<<" %"<<endl;
else {
cout<<endl<<"\tHit rate cannot be calculated because cache";
cout<<" is either not initialized, or no operation";
cout<<" has been performed on cache yet."<<endl;
}
break;
case 15:
// releaseCache(bu);
break;
}
}
void
badEntry(afs_int32 e, afs_int32 i)
{
int offset;
struct kaentry entry;
offset = i * sizeof(struct kaentry) + sizeof(struct kaheader);
readDB(offset, &entry, sizeof(entry));
fprintf(stderr, "Entry %d, %s, hash index %d, is bad: [", i,
EntryName(&entry), NameHash(&entry));
if (e & 0x1)
fprintf(stderr, " UserEntry");
if (e & 0x2)
fprintf(stderr, " FreeEntry");
if (e & 0x4)
fprintf(stderr, " OldkeysEntry");
if (e & 0x8)
fprintf(stderr, " PastEOF");
if (!(e & 0xf))
fprintf(stderr, " <NULL>");
fprintf(stderr, " ] [");
if (e & 0x10)
fprintf(stderr, " UserChain");
if (e & 0x20)
fprintf(stderr, " FreeChain");
if (e & 0x40)
fprintf(stderr, " OldkeysChain");
if (!(e & 0xf0))
fprintf(stderr, " <NULL>");
fprintf(stderr, " ]\n");
}
/// get initial db file from text cache
bool preferences::initDB(){
bool found = false;
char PrefIn[100];
FILE* fp;
string tempcache = TEMPCACHE;
string Cache = getenv("HOME") + tempcache;
fp = fopen(Cache.c_str(), "r"); /// open cached db location
if(fp != NULL){
rewind(fp);
while(!feof(fp)){
fscanf(fp, "%s", &PrefIn);
found = true;
}
}
else{
return false;
}
if(found){ // if the db (listed in this text cache) exists
setSQL(PrefIn); /// set SQL location
readDB(); // read that db
fclose(fp);
return true;
}
else{
fclose(fp);
return false;
}
}
void mainmenufirst3(int t)
{
char key;
//Detect key UP and DOWN until ENTER is pressed
do
{
key = getch(); //Get the input
switch(key)
{
case 72 :
query(--cursor3); //Select upper menu
break;
case 80 :
query(++cursor3); //Select lower menu
break;
}
}
while(key!=13);
switch(cursor3)
{
case 1 :
system("cls");
readDB("SELECT");
system("PAUSE");
query(cursor3);
break;
case 2 :
system("cls");
readDB("ALL");
system("PAUSE");
query(cursor3);
break;
case 3 :
cursor3 = 1;
mainmenu(cursor3);
}
}
void SoftSlot::addSlot(CK_SLOT_ID newSlotID, char *newDBPath) {
if(nextSlot == NULL_PTR) {
nextSlot = new SoftSlot();
slotID = newSlotID;
dbPath = newDBPath;
readDB();
} else {
// Slots may not share the same ID
if(newSlotID == slotID) {
FREE_PTR(newDBPath);
return;
}
nextSlot->addSlot(newSlotID, newDBPath);
}
}
QStringList DataBase::findLessonName(QString path){
QStringList obtainedNameLesson;
QDir findLesson(path);
QStringList filter;
filter << "*.lesson";
QStringList file = findLesson.entryList(filter);
for(int i = 0; i<file.size(); i++){
QString nameBD = readDB(path + "/" + file.at(i));
if(!nameBD.isEmpty())
obtainedNameLesson << nameBD;
}
return obtainedNameLesson;
}
void * reader(void * v){
int j = *((int *)v);
while(1){
pthread_mutex_lock(&mutex);//Lock out other readers
rc++;
if(rc == 1){
pthread_mutex_lock(&db);//Lock database
}
pthread_mutex_unlock(&mutex);//Unlock for other readers
readDB(j);
pthread_mutex_lock(&mutex);//Lock out other readers
if(writerState == 1 && rc%waitLimit == 0){//If writer ready and readers have had time
pthread_cond_signal(&conditionWrite);//Signal writer
pthread_cond_wait(&conditionRead,&db);//Sleep reader/toggle db mutex
//Other readers should wait for this reader to leave critical region
}
pthread_mutex_unlock(&mutex);//Unlock for other readers
}
}
static int
WorkerBee(struct cmd_syndesc *as, void *arock)
{
afs_int32 code;
char *dbFile;
char *outFile;
afs_int32 index;
struct stat info;
struct kaheader header;
int nentries, i, j, count;
int *entrys;
struct kaentry entry;
dbFile = as->parms[0].items->data; /* -database */
listuheader = (as->parms[1].items ? 1 : 0); /* -uheader */
listkheader = (as->parms[2].items ? 1 : 0); /* -kheader */
listentries = (as->parms[3].items ? 1 : 0); /* -entries */
verbose = (as->parms[4].items ? 1 : 0); /* -verbose */
outFile = (as->parms[5].items ? as->parms[5].items->data : NULL); /* -rebuild */
if (outFile) {
out = fopen(outFile, "w");
if (!out) {
afs_com_err(whoami, errno, "opening output file %s", outFile);
exit(7);
}
} else
out = 0;
fd = open(dbFile, O_RDONLY, 0);
if (fd < 0) {
afs_com_err(whoami, errno, "opening database file %s", dbFile);
exit(6);
}
code = fstat(fd, &info);
if (code) {
afs_com_err(whoami, errno, "stat'ing file %s", dbFile);
exit(6);
}
if ((info.st_size - UBIK_HEADERSIZE) % UBIK_BUFFERSIZE)
fprintf(stderr,
"DATABASE SIZE INCONSISTENT: was %d, should be (n*%d + %d), for integral n\n",
(int) info.st_size, UBIK_BUFFERSIZE, UBIK_HEADERSIZE);
readUbikHeader();
readDB(0, &header, sizeof(header));
code = CheckHeader(&header);
if (listkheader)
PrintHeader(&header);
nentries =
(info.st_size -
(UBIK_HEADERSIZE + header.headerSize)) / sizeof(struct kaentry);
entrys = calloc(nentries, sizeof(int));
for (i = 0, index = sizeof(header); i < nentries;
i++, index += sizeof(struct kaentry)) {
readDB(index, &entry, sizeof(entry));
if (index >= header.eofPtr) {
entrys[i] |= 0x8;
} else if (listentries) {
PrintEntry(index, &entry);
}
if (entry.flags & KAFNORMAL) {
entrys[i] |= 0x1; /* user entry */
if (strlen(entry.userID.name) == 0) {
if (verbose)
printf("Entry %d has zero length name\n", i);
continue;
}
if (!DES_check_key_parity(ktc_to_cblock(&entry.key))
|| DES_is_weak_key(ktc_to_cblock(&entry.key))) {
fprintf(stderr, "Entry %d, %s, has bad key\n", i,
EntryName(&entry));
continue;
}
if (out) {
RebuildEntry(&entry);
}
} else if (entry.flags & KAFFREE) {
entrys[i] |= 0x2; /* free entry */
} else if (entry.flags & KAFOLDKEYS) {
entrys[i] |= 0x4; /* old keys block */
/* Should check the structure of the oldkeys block? */
} else {
if (index < header.eofPtr) {
fprintf(stderr, "Entry %d is unrecognizable\n", i);
}
}
}
/* Follow the hash chains */
for (j = 0; j < HASHSIZE; j++) {
for (index = header.nameHash[j]; index; index = entry.next) {
readDB(index, &entry, sizeof(entry));
/* check to see if the name is hashed correctly */
i = NameHash(&entry);
if (i != j) {
fprintf(stderr,
"Entry %" AFS_SIZET_FMT ", %s, found in hash chain %d (should be %d)\n",
((index -
sizeof(struct kaheader)) / sizeof(struct kaentry)),
EntryName(&entry), j, i);
}
/* Is it on another hash chain or circular hash chain */
i = (index - header.headerSize) / sizeof(entry);
if (entrys[i] & 0x10) {
fprintf(stderr,
"Entry %d, %s, hash index %d, was found on another hash chain\n",
i, EntryName(&entry), j);
if (entry.next)
fprintf(stderr, "Skipping rest of hash chain %d\n", j);
else
fprintf(stderr, "No next entry in hash chain %d\n", j);
code++;
break;
}
entrys[i] |= 0x10; /* On hash chain */
}
}
/* Follow the free pointers */
count = 0;
for (index = header.freePtr; index; index = entry.next) {
readDB(index, &entry, sizeof(entry));
/* Is it on another chain or circular free chain */
i = (index - header.headerSize) / sizeof(entry);
if (entrys[i] & 0x20) {
fprintf(stderr, "Entry %d, %s, already found on free chain\n", i,
EntryName(&entry));
fprintf(stderr, "Skipping rest of free chain\n");
code++;
break;
}
entrys[i] |= 0x20; /* On free chain */
count++;
}
if (verbose)
printf("Found %d free entries\n", count);
/* Follow the oldkey blocks */
count = 0;
for (index = header.kvnoPtr; index; index = entry.next) {
readDB(index, &entry, sizeof(entry));
/* Is it on another chain or circular free chain */
i = (index - header.headerSize) / sizeof(entry);
if (entrys[i] & 0x40) {
fprintf(stderr, "Entry %d, %s, already found on olkeys chain\n",
i, EntryName(&entry));
fprintf(stderr, "Skipping rest of oldkeys chain\n");
code++;
break;
}
entrys[i] |= 0x40; /* On free chain */
count++;
}
if (verbose)
printf("Found %d oldkey blocks\n", count);
/* Now recheck all the blocks and see if they are allocated correctly
* 0x1 --> User Entry 0x10 --> On hash chain
* 0x2 --> Free Entry 0x20 --> On Free chain
* 0x4 --> OldKeys Entry 0x40 --> On Oldkeys chain
* 0x8 --> Past EOF
*/
for (i = 0; i < nentries; i++) {
j = entrys[i];
if (j & 0x1) { /* user entry */
if (!(j & 0x10))
badEntry(j, i); /* on hash chain? */
else if (j & 0xee)
badEntry(j, i); /* anything else? */
} else if (j & 0x2) { /* free entry */
if (!(j & 0x20))
badEntry(j, i); /* on free chain? */
else if (j & 0xdd)
badEntry(j, i); /* anything else? */
} else if (j & 0x4) { /* oldkeys entry */
if (!(j & 0x40))
badEntry(j, i); /* on oldkeys chain? */
else if (j & 0xbb)
badEntry(j, i); /* anything else? */
} else if (j & 0x8) { /* past eof */
if (j & 0xf7)
badEntry(j, i); /* anything else? */
} else
badEntry(j, i); /* anything else? */
}
exit(code != 0);
}
